Безотлагательно помогите по английскому!Scientists in the United States have found that

Срочно помогите по британскому!
Scientists in the United States have found that hibernating bears manage to keep fit in their sleep. The (9) ___________ that over 130 days of winter hibernation bears (10) ___________ only a quarter of their muscle power was мейд by (11)___________ from the University of Wyoming. The scientists (12) __________ samples from black bears at the start and finish of the hibernation. The researchers had to (13) ___________ attach devices to the bears and this meant (14)___________ into the caves (15) ___________ the autumn and spring. They attached a machine to the bears legs for (16) ___________ muscle strength. The device was (17) ___________ to a computer and very small electric (18)___________ were sent to the bears nerves causing the legs to move suddenly and the measurement was then taken. The scientists are (19) ___________ that their research will enable them to help humans that are confined (20) ___________ bed for a long time. Human beings that are (21) ___________ for 130 days lose a/an (22)__________ 90% of their body strength. Furthermore, in the future there might be long-distance space (23) ___________ and the effects of lack of muscle movement will need to be considered.
Вопрос 1
Choose the correct answer for (9).
A discovery
B invention
C exploration
D experiment
Вопрос 2
Choose the correct answer for (10).
A waste
B lose
C gain
D spend
Вопрос 3
Choose the correct answer for (11).
A investigators
B researchers
C detectives
D discoverers
Вопрос 4
Choose the correct answer for (12).
A made
B took
C did
D gained
Вопрос 5
Choose the correct answer for (13).
A accurately
B steadily
C slowly
D carefully
Вопрос 6
Choose the correct answer for (14).
A climbing
B running
C creeping
D sliding
Вопрос 7
Choose the correct answer for (15).
A at
B in
C on
D over
Вопрос 8
Choose the correct answer for (16).
A measuring
B guessing
C adding
D estimating
Вопрос 9
Choose the correct answer for (17).
A stuck
B tied
C transmitted
D connected
Вопрос 10
Choose the correct answer for (18).
A wires
B messages
C signals
D shocks
Вопрос 11
Choose the correct answer for (19).
A optimistic
B enthusiastic
C sympathetic
D pessimistic
Вопрос 12
Choose the correct
answer for (20).
A to
B in
C at
D with
Вопрос 13
Choose the correct answer for (21).
A inactive
B unenergetic
C lazy
D unmovable
Вопрос 14
Choose the correct answer for (22).
A guessed
B estimated
C predicted
D measured
Вопрос 15